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Measurement of the production cross-section of $\psi(2S)\to J/\psi(\to\mu^+\mu^-)\pi^+\pi^-$ in $pp$ collisions at $\sqrt{s}=7$ TeV at ATLAS

G. Aad 1 S. Albrand 2 J. Brown 2 J. Collot 2 S. Crépé-Renaudin 2 B. Dechenaux 2 P.A. Delsart 2 C. Gabaldon 2 M.H. Genest 2 J.Y. Hostachy 2 B.T. Le 2 F. Ledroit-Guillon 2 A. Lleres 2 A. Lucotte 2 F. Malek 2 C. Monini 2 J. Stark 2 B. Trocmé 2 M. Wu 2 G. Rahal 3 S. Abdel Khalek 4 A. Bassalat 4 C. Becot 4 S. Binet 4 C. Bourdarios 4 D. Charfeddine 4 J.B. de Vivie de Regie 4 L. Duflot 4 M. Escalier 4 L. Fayard 4 D. Fournier 4 J.-F. Grivaz 4 T. Guillemin 4 F. Hariri 4 S. Henrot-Versillé 4 J. Hrivnac 4 L. Iconomidou-Fayard 4 M. Kado 4 A. Lounis 4 N. Makovec 4 L. Poggioli 4 P. Puzo 4 A. Renaud 4 D. Rousseau 4 G. Rybkin 4 A.C. Schaffer 4 E. Scifo 4 L. Serin 4 S. Simion 4 R. Tanaka 4 H.L. Tran 4 D. Zerwas 4 Zhen Zhang 4 L. Alio 1 M. Barbero 1 C. Bertella 1 J. C. Clémens 1 Y. Coadou 1 S. Diglio 1 F. Djama 1 L. Feligioni 1 D. Hoffmann 1 F. Hubaut 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 B. Li 1 D. Madaffari 1 K. Mochizuki 1 E. Monnier 1 S. Muanza 1 Y. Nagai 1 P. Pralavorio 1 A. Rozanov 1 T. Serre 1 M. Talby 1 N. Tannoury 1 E. Tiouchichine 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 M. Ughetto 1 L. Vacavant 1 N. Berger 5 M. Delmastro 5 L. Di Ciaccio 5 T.K.O. Doan 5 S. Elles 5 C. Goy 5 T. Hryn'Ova 5 S. Jézéquel 5 H. Keoshkerian 5 I. Koletsou 5 R. Lafaye 5 J. Leveque 5 V.P. Lombardo 5 N. Massol 5 H. Przysiezniak 5 G. Sauvage 5 E. Sauvan 5 M. Schwoerer 5 O. Simard 5 T. Todorov 5 I. Wingerter-Seez 5 D. Boumediene 6 Emmanuel Busato 6 D. Calvet 6 S. Calvet 6 J. Donini 6 E. Dubreuil 6 N. Ghodbane 6 G. Gilles 6 Ph. Gris 6 C. Guicheney 6 H. Liao 6 D. Pallin 6 Daniela Paredes Hernández 6 F. Podlyski 6 C. Santoni 6 Timothée Theveneaux-Pelzer 6 Loïc Valery 6 F. Vazeille 6
Abstract : The prompt and non-prompt production cross-sections for $\psi(2S)$ mesons are measured using 2.1 fb$^{-1}$ of $pp$ collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. The measurement exploits the $\psi(2S)\to J/\psi(\to\mu^+\mu^-)\pi^+\pi^-$ decay mode, and probes $\psi(2S)$ mesons with transverse momenta in the range $10\leq p_{\rm T}<100$ GeV and rapidity $|y|<2.0$. The results are compared to other measurements of $\psi(2S)$ production at the LHC and to various theoretical models for prompt and non-prompt quarkonium production.
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http://hal.in2p3.fr/in2p3-01027481
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Submitted on : Tuesday, July 22, 2014 - 9:54:03 AM
Last modification on : Wednesday, September 16, 2020 - 4:27:31 PM

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G. Aad, S. Albrand, J. Brown, J. Collot, S. Crépé-Renaudin, et al.. Measurement of the production cross-section of $\psi(2S)\to J/\psi(\to\mu^+\mu^-)\pi^+\pi^-$ in $pp$ collisions at $\sqrt{s}=7$ TeV at ATLAS. Journal of High Energy Physics, Springer, 2014, 09, pp.079. ⟨10.1007/JHEP09(2014)079⟩. ⟨in2p3-01027481⟩

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